氧化银
银 硝酸银 氧化银 三者含有相同物质的量的银的时候 哪个花的钱更多?懂的来说下 谢谢了?
嘟嘟猪 2021-08-22 19:46 开发者_Python百科 当然是硝酸银花的钱更多了!Ag、Ag2O、AgNO3的分子量是依此为108、232、170,要它们的含银的量相同,则这三种物质的量的比为2:1:2,即它们的质量比为2*108:1*232:2*[详细]
2023-01-31 00:13 分类:问答Unable to Connect to Management Studio Server
I have a nasty situation.I am using Microsoft SQL Server Management Studio Express edition locally on my pc for testing, and once tested I upload database changes to a remote server.I have a situation[详细]
2022-12-26 15:47 分类:问答jQuery: delegating clicks to elements that contain other elements
So i get the gist of $.delegate and I know why it\'s doing what it\'s doing, but I\'m wondering if there is a work around.[详细]
2022-12-25 03:32 分类:问答